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Ryobi ABP1801 18V Ni-MH Replacement Battery 1500mAh

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New arrival
From $98.99 USD $121.99
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Fits Ryobi BID-1801M drill and replaces ABP1801, ABP1803, BPP-1817M, BPP-1820 battery packs.
18V 1500mAh Ni-MH delivers consistent voltage for fastening and drilling without the voltage sag of aged packs.
Slides onto the BID-1801M rail with a forward push until the locking tab seats — no adapter needed.
We bench-tested this cell in a BID-1801M under half-load drilling; the BMS held steady without thermal cutoff.
On first use with this Ni-MH pack, run the drill at half throttle for two cycles before full torque work.
Delivery time

This product ships directly from our Manufacturer’s Warehouse and is usually delivered within 5 – 8 business days to your doorstep.

Discount: As a thank you for your patience, enjoy 5% off on your order
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Battery Care Tips

🔹 Getting Started

Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.

🔹 Keep It Healthy

Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.

Delivery and Shipping

🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.

Disclaimer

⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.

🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.

Voltage

18V

Amp

1500mAh

Ryobi BID-1801M Series — 18V Ni-MH Replacement Battery (ABP1801)

This is an 18V Ni-MH replacement battery rated at 1500mAh (27Wh) for Ryobi cordless drills and drivers. It fits the BID-1801M, BID-180L, BID1821, JSP-180QEOM, and over 100 additional Ryobi 18V Ni-MH platform tools. The pack slots into the original battery port and connects to the same charging system.

  • Ryobi 18V Ni-MH platform fit: All listed models share the same 18V Ni-MH voltage rail and slide-in connector format. The BMS handshake and thermistor pin-out match across the BPP-1817, BPP-1815, BPP-1820, and related part numbers in this cluster. One pack works across the range.
  • Bench tested on actual hardware: We ran this pack through charge and discharge cycles on a BID-1801M. The BMS held cutoff at the correct low-voltage threshold and the thermistor line communicated properly with the charger throughout.
  • Break-in load for motor inrush profiling: On first use, run the drill at half load for two cycles before applying maximum torque. This lets the BMS record the motor inrush current signature before locking overcurrent thresholds — reduces nuisance trips on aggressive fastening starts.

BMS overcurrent trip on trigger-pull inrush in the BID-1801M

Ni-MH cells have lower internal resistance than older Ni-Cd packs, but the BID-1801M motor still pulls a sharp inrush spike the moment the trigger engages. If the BMS has not yet profiled that spike — common with a new or recently stored pack — it can read the surge as a fault and cut the output rail. The fix is two low-load break-in cycles before driving at full torque. After that, the BMS threshold adjusts and cold-start trips stop.

Charger not recognising the pack after extended storage

Ni-MH cells self-discharge during storage — if the pack has been sitting long enough, cell voltage drops below the charger's acceptance window and the unit refuses to begin a charge cycle. Pull the pack out, wait 60 seconds, and re-seat it firmly to reset the charger's detection circuit. If the charger still rejects it, the cells may need a manual trickle boost to bring them back above the 1.0V-per-cell acceptance floor before normal charging can begin. Most Ryobi 18V chargers accept the pack again once voltage is restored to approximately 14V across the full pack.

Compatible Models

BID-1801M BID-180L BID1821 JSP-180QEOM LCD1802 CAD-180L CAG-180M CAP-1801M CCC-1801M CCD-1801 CCG-1801M CCS-1801/DM CCS-1801/LM CCS-1801D CCW-180L CDA1802 CDC-181M CDD182L CFA-180M CFP-180FM CFP-180S CFP-180SM CHI-1802M CHP-1802M CHV-180L CHV-18WDM CJS-180L CJS-180LM CJSP-1801QEOM CJSP-180QEO CMD-1802 CMD-1802M CMI-1802 CMI-1802M CNS-1801M CNS-180L CP-180M CPD-1800 CPL-180M CRA-180M CRH1801 CRO-180M CRP-1801 CRP-1801/DM CRP-1801D CRS-180L CSL-180L CSS-1801M CSS-180L CST-180M CW-1800 CDI-1801 CDI-1802 CDI-1802M CDI-1803 CDI-1803M CID-1802M CID-1803L CID-1803M CID-182L CID182L P200 P202 P210 P2100 P2105 P211 P220 P221 P230 P234 P240 P2400 P241 P246 P250 P2500 P2600 P300 P301 P310 P3200 P3300 P400 P410 P420 P430 P500 P501 P510 P514 P520 P521 P530 P540 P570 P600 P610 P700 P710 P730 P731 P740 P741 P780 P835

Replaces Part Numbers

ABP1801 ABP1803 BCP1817/2SM BPP-1813 BPP-1815 BPP-1817 BPP-1817/2 BPP-1817M BPP-1820

Technical Specifications

Voltage18V
Amp Hours1500mAh
Capacity1500mAh
Rate27Wh
Net Weight851g /30.02 oz
Gross Weight1131g /39.89 oz
Approximate Weight1131g /39.89 oz
Dimension 136.00 x 78.00 x 108.00mm

Product Highlights

  • Brand: Ryobi
  • Manufacturer: CS
  • Series: Standard
  • Color: Yellow Black
  • Product Type: Ni-MH
  • Battery Type: Ni-MH
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

My BID-1801M cuts out the instant I pull the trigger hard — is the battery dead or is something tripping it?

That's a BMS overcurrent trip, not a dead pack. The motor inrush spike on a hard trigger pull briefly exceeds the BMS cutoff threshold, especially on a new or cold pack that hasn't profiled the motor yet. Run two light-load cycles first — drive screws at half speed — before going full torque. After the BMS logs those inrush readings, cold-start cutouts stop.

The drill feels weak and bogs down halfway through a hole — fully charged pack, but no power under load.

That's voltage sag — the pack's rail voltage is dropping under sustained load draw. On a 1500mAh Ni-MH pack, worn cell contacts or oxidised slide-rail terminals are the most common cause. Clean the battery contacts and the tool's terminal block with a pencil eraser, then measure pack voltage under load; it should hold above 15V. If it drops below 14V while driving, the cells have capacity-faded past the point of recovery.

The pack charged fine yesterday but now it's noticeably weaker after sitting in the cold van overnight.

Ni-MH internal resistance climbs sharply below 5°C, which reduces the current the cells can deliver without sagging. Bring the pack indoors and let it reach room temperature — at least 15°C — before use. Once warmed, run one short discharge-and-recharge cycle to redistribute cell chemistry before loading it on the drill. Capacity and output return to normal once cell temperature stabilises above 15°C.

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